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Differences between open-end and closed-end pipe pile

What is open-ended pipe piles?
Open-end pipe piles refer to one or both sides of the pile body being cut or folded into a strip-shaped gap of a certain width in the longitudinal direction, so that the pile body forms an open structure. Open-end pipe piles do not have end caps (plates made of steel or conical tips) that cover their openings. Open end pipe piles is often the preferred choice for oil and gas as well as energy projects like wind turbine projects. Open-end pipe piles are great at offering resistance to heavy winds and tidal forces.

The characteristics of open-end pipe piles are as follows:
1. The net length and cross-sectional area of steel pipe piles are smaller than those of closed steel pipe piles, and their bearing capacity is weaker.
2. The open structure is prone to vertical vibration, which helps the pile sink into the soil layer.
3. It is easy to install and can be used when the depth around the bridge pier is shallow.
4. Suitable for scenarios where the surrounding soil and rock layers are hard and the load-bearing capacity of the pile is not required.

What is closed-end pipe pile?
Closed-end steel pipe piles refer to the form in which both ends of the pile body are not cut or folded, and the mouth of the pile body is closed. Closed end pipe pile has an opening at its bottom that is covered with either a plate made of steel or a conical tip. A closed end pipe pile's covering may be called an “end cap.” Closed end pipe piles are great for being driven into loose sands as well as soft soils.

The characteristics of closed-end piles are as follows:
1. The net length and cross-sectional area of steel pipe piles are larger than that of open steel pipe piles, and their bearing capacity is stronger.
2. The closed structure has strong resistance to vertical vibration and horizontal force.
3. During the construction process, the vibration of the pile body is small and has little impact on the surrounding environment.
4. Suitable for scenarios where the surrounding soil is weak and the bearing capacity of the piles is high.

Differences between open-end and closed-end pipe pile
1. Application scenarios of open and closed steel pipe piles
Open steel pipe piles are suitable for scenarios where the soil layer is hard and the bearing capacity of the pile is not required, such as foundation piles in construction projects such as bridges and houses.

2.Closed-end steel pipe piles are suitable for scenarios where the soil layer is weak and the load-bearing capacity of the piles is high, such as the construction of bridge piers, airport runways, offshore drilling platforms and other engineering structures in rivers, ditches, lakes, oceans and other environments.

To sum up, according to different construction needs and environments, open and closed steel pipe piles have their own characteristics and application scenarios.

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